1445461446 has 64 divisors (see below), whose sum is σ = 3407878656. Its totient is φ = 402950400.

The previous prime is 1445461441. The next prime is 1445461447. The reversal of 1445461446 is 6441645441.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445461441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264130 + ... + 269546.

It is an arithmetic number, because the mean of its divisors is an integer number (53248104).

Almost surely, 2^1445461446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445461446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1703939328).

1445461446 is an abundant number, since it is smaller than the sum of its proper divisors (1962417210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1445461446 is a wasteful number, since it uses less digits than its factorization.

1445461446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757.

The product of its digits is 184320, while the sum is 39.

The square root of 1445461446 is about 38019.2246896225. The cubic root of 1445461446 is about 1130.6690495846.

The spelling of 1445461446 in words is "one billion, four hundred forty-five million, four hundred sixty-one thousand, four hundred forty-six".